Home›Asteroids›393661 2004 RP21393661 2004 RP21Main-belt minor planetDesignation(393661) 2004 RP21ClassMain-beltSemi-major axis2.2844968 AUEccentricity0.2490424Inclination1.85343°Absolute magnitude (H)18.08Perihelion1.716 AUAphelion2.853 AU